Removable window sash and guide rail therefor



Sept. 4, 1956 G. w. LOVE ETAL REMOVABLE WINDOW SASH AND GUIDE RAIL THEREFOR Filed April 28, 1954 INVENTORS BY Pfl/ZZ/QR/ springs behind them the position or location-thereby rendering the 'rail ;unbal-.

Unitedstates Patent 2,761,182 v REMOVABLE WINDOW SASHAND GUIDE RAIL THEREFOR Gordon W. Love, Birmingham, and Charles A. Pelizzari,

Royal Oak, Mich.

This invention relates to removable window sash for building structures, and in particular to a new, novel and inventive attaching screw receiving cup and spring combination which provides for screw head-to-sash clearance on one side of the cup and provides a boss on the other or inside of the cup for annexing the spring thereto prior to and after assembly and so that the attaching screw both attaches the sash guide and also runs down through the middle of thespring iixingythe spring in a definitely located position. i t

The utility and economy of removable sash in window frames in building structures is'well established as these devices save the user and installer much valuable time and render his work easierj so that he can work more hours per day. The utility of removable sash is occasioned by the fact that neither the installer nor the user after installation is obligated to work-on the outside of the building, but rather he can. insert and remove. the sash from the inside of the building and thereby facilitating working on the sash inside the room, thereby eliminating the necessity and hazard of ladders on: the outside. of the building jecting his body outwardly of the-building to work on or wash the sashes on the outside, in that the sashes are completely removable and'reinsertable from the inside of the building.

The instant frame-to-sash guide rail combinationrenders the product more adaptable to mass production and therefore cheaper cost of fabrication and which is also a more fool-proof device both in immediate construction and in operation and for the duration of. the life of the building. r t

It is pertinent here to note that the great many reand completely.eliminatingthe hazard of proinvention is to hice 2 provide a removable sash and frame combination equipped with identical side rails wherein the attaching means cup sockets and springs are so integrated that the springs are fixedly located longitudinally of the rail.

. An object of the invention is to provide a cup in the guide rail face providing a socket behind the face for receiving an attaching screw head in free and clear relationship to the sash riding on the face of the guide rail. .,An object of the invention is to provide a guide rail cup in the face of the guide rail extending behind the face of the guide rail providing a boss for receiving the smaller end of a semi or truncated conical spring surrounding said cup in gripping relation thereto so as to provide complete integration between the springs and the guide rails prior to integration in the frame.

An object of the invention is to provide a cup and spring relationship. on a guide rail so that when the attaching screw is received in a cup and it extends through the center of the spring thereby fixedly locating the spring relative to the jamb by means of the screw as well as J by means of the cup boss.

movable sash and miscellaneous guide-rails have been;

developed and patented. While the priorart devices have enjoyed a certain amount of satisfaction and success,

they leave much to be. desiredrelative to simplicity of construction, the integration of pre-fabrication subassemblies, and the interchangeability of parts, therebyobviatingof guide rails in usually one side: pressed resilient the necessity for several different types the same frame due to the fact that of the frame is equipped with spring guide rails for removing the sash, and the otherside .is equipped with fixed non-resilient guide rails of a different type. Also in the found thatthe springs on the resilient guide rails which are not fixedly period of time, so that, whiletheguide rails have the springs move out of their proper anced and putting too much spring pressure :behind one prior ,art devicesit has been located tend to moveduring fabrication" and also tend to move during use, especially over alongportion of the rail and not enough spring pressure behind another portion of the rail, thereby preventing easy movement of the sash relative to, the rail in one area and permitting too easy movement of the sash in another area of the rail permitting the sash to fall out of position. With the foregoing in view, the primary objectpfthe abutting the filler strip stop 18.

An object of the invention is to provide a truncated conical spring or a semi-conical spring in gripping relationship to the guide railcup with the smaller end of the spring seizing on the outside of the guide rail cupsocket and with the spring larger end disposed against the jamb so that upon depression of the guide rail, the cup and the smaller end of the spring ride down within the larger end of the spring providing full resilience without any interference between the cup and inner end of the spring with the larger end of the spring.

An object of the invention is to provide an inexpensive high-quality, fool-proof guide-rail which is not only less expensive to manufacture and fabricate but which is also much more eflicient in use and much cheaper to install due to the savings in labor and production assembly costs.

These and other objects of the invention will become Referring now to the drawings wherein like numerals. refer to like and corresponding parts throughout the two'- 1 views, the window frame and removable sash therein to illustrate the invention comprises a fixed guiderail, frame side (Fig. l, leftside), having a first outside blind stop 11, the first filler strip 13 projecting sidewise outwardly of the strip 11, a first side jamb l5 edgewise 13, a first inside blind stop 17 abutting the edge of the jarnb 15, and a first blind stop 19 positioned against the jamb 15.

It is to be noted that the filler strip 13, janib 2 .5, and blind stop 19 combined to form a first relatively shallow channel A therebetween which. channel A is adapted to receive thepaired guide rails 21 and 23 in a. side-by-side abutting relationship and in abutting relationship to the channel A members. i

Referring now to the resilient guide rail side of the frame (Fig. 1, right side), it can be seen that the outer second blind stop 10 sidewise abuts the relatively wider" second filler strip 12 whichedgewise abuts the second jamb 14 which is, in turn, sidewise abutted by the spacer block 24 which is overlayed by the second inner blind It is to be noted that the filler strip 12, jamh disclosed.

14, space block 24, and blind stop .18 form a relatively deeper channel B which receives the resilient guide rails 2t and 22 in side by side abutting relationship to each other and in abutting relationship to the tiller strip 1-2 and the blind stop 18, but in spaced relationship to the jamb 14 as seen in the right side of Fig. 1. Sashes and 26 are respectively disposed between the paired solid guide rail 23 and the resilient guide rail 22 and the paired solid guide rail 21 and the resilient guide rail 24) with the springs 27 urging the resilient guide rails 22 and 2t) respectively against the sashes 25 and v-s'nich force is opposed by the solid guide rails 23 and 21 respectively so as to hold the sashes 25 and 26 therebetween. It is to be noted that the guide rails Ztl, 21, 22, and 23 are identical in themselves and that each is equipped with at least two cups 29 recessed below their faces which are flush with the face portions 37 of the guide rails and which protrude or extend behind and beyond the face portion of the guide rails. Each cup 2i) is equipped with a central aperture 36 for receiving an attaching screw therein and it is to be noted at the left side of Fig. 1 that the attaching screws 31 can be relatively short, whereas the attaching screws 32 seen at the right side of the drawing in Fig. l are relatively longer to facilitate spacing the resilient guide rails 22 and 20 away from the jamb 14.

Referring to Fig. 2 the individual guide rail shown which is preferably of rollformed aluminum or similar mate rial, comprises like sides 33 and 34 for abutting the frame members and the adjacent like guide rail, and, in the instance of the resiliently positioned rails for traveling or sliding against each other. The face of the guide rail is preferably formed with two shoulder portions 35 and 36 adjacent the edge thereof and a center interconnecting depressed portion 37 for receiving the sash in longitudinal sliding relationship and fixed lateral relationship in that the depressed center portion 37 in conjunction with the shoulders 35 and 36 constitutes a groove in which the tongue 38 f the sash rides. It is to be further noted that the sash edges 39 and 44 on either side of the tongue 38 ride on the shoulders 35 and 36 so that substantially the whole edge area of thesash rides and travels on the guide rail.

The guide rail has pierced apertures at desired inter vals for receiving the cups 29 and the cups 29 are-then pressed fitted and clinched in the apertures of the guide rail. The guide rails can then be stored for use at any desired time. When it is desired to assemble the guide rails to the frame as indicated in Fig. 1, the smaller end of the semi-conical springs 27 are forced over the backs of the cups 29, and, it is to be understood that the small end of the spring is made slightly smaller than the outside dimension of the back of the cups 29, so that when the spring is placed over the cup 29, it is forced to spread over outside of the cup so that the cup thereby forms an attaching and socket means relative to the spring. The guide rail with attached spring is located in the frame such as on the right side of the frame as seen in Fig. l, a screw is then placed through the aperture 30 of the cups 29 and the attached spring 27 and secured in the jamb 14. It is to be noted that the conelike spring has its larger end spring pressed against the jamb 14, thereby triangulating resistance against the thrust on the guide rail attached thereto so as to stabilize the guide rail against side thrusts and guide rail side movement thereby preventing tipping or canting of the guide rails whether or not the sashes are installed or in position. This is especially beneficial during the opera tion of inserting or removing the sash which depresses the guide rail 20 or the guide rail 22 relative to the other guide rail.

After the frame is set up and the guide rails attached and the sash installed, the unit is ready for shipment to the job where it will be installed in the building. Upon arriving at the building the sashes are removed to prevent glass breakage and to allow the installing workman free access both at the inside and outside of the building. After the frame is installed, the sashes are then reinserted in the frame by pressing the edge of the sashes 25 and 26 against the guide rails 20 and 22 and depressing the respective guide rails against the springs 27 and fitting the tongue 38 in the stationary guide rails 21 or 23 and allowing the spring pressed guide rails 20 or 22 to exert pressure so as to thereby hold the sash in place in frame.

When the occupants of the premises or a window washer desires to clean the windows it is not necessary for him to go to the outside of the building." it is only necessary to lower the top sash and remove same and raise the lower sash and remove same from the inside of the building where they can be cleaned on both sides within the room. it is to be particularly noted that the cupsoclzets 29 and the screws 32 will locate the springs fixedly longitudinally and laterally of the guides and frame no matter how many times the sashes are removed and inserted and regardless of the duration of the installations prior to building vibrations encountered.

It is also to be particularly noted that it is impossible for a workman to mis-locate thesprings longitudinally of the rail in fabrication of the units thereby insuring proper spring pressure at the right place on the rails.

Although but a single embodiment of the invention has been shown and described in detail, it is obvious that many changes may be made in the size, detail, shape, and arrangements of the elements of the invention within the scope of the appended claims.

We claim:

1. In combination, a removable window sash and a frame comprising a first side jamb on one side of said frame, a filler stop strip on said first jamb, a blind stop on said first jamb; said stops lying parallel to one another in spaced relationship and forming a first three-sided relatively shallow channel in conjunction with said first jamb, like sash guide rails lying in side-by-side relationship abutting each other and said stops and jamb, a second jamb on the opposite side of said frame relative to said first jamb and set deeper in said frame than said first jamb, a second relatively wider filler stop strip on said second jamb, a blind stop spacer block on said second jamb, a second blind stop on said second jamb; said second stops lying parallel to one another in spaced relationship and forming a second three sided relatively deep channel in conjunction with said second jamb; sash guide rails lying in side-by-side relationship abutting each other and said second stops and in spaced relationship to said second jamb; springs'disposed between said second guide rails and said second jamb urging said second guide rails ont- .wardly of said second jamb, and means limiting the outward movement of said second guide rails and permitting inward movement of said second guide rails against said second jamb and paired sash disposed between said first guide rails and said second guide rails; said sash be ing insertable therein and extractable therefrom by depressingsaid second guide rails against said springs with one side of said sash and removing the other side of said sash from said first guide rails; said guide rails each having spaced parallel sides for abutting saidv stops and each other and an interconnecting face at right angles to said sides and formed therewith; said guide rail face having shoulders on either edge thereof for channeling a sash positioned thereagainst; and at least two screw receiving cups on each guide rail face constituting a depressed and recessed socket behind said face portion for receiving attaching screws therein for freely clearing a sash positioned thereagainst to avoid screw head interference therewith; said cup sockets on the inside of said second guide rails constituting a boss in conjunction with said springs; said springs being semi-conical so that the smaller end of said spring surrounds'said cup boss in gripping rela tionship with the larger end of said spring abutting said jamb so that when said guide rail is pressed toward said jamb said cup moves down in said spring freely, and screws, constituting said attaching and limiting means, disposed within said cup and said springs.

2. A spring-pressed, depressable window sash guide rail for inserting and removing window sash and for exerting holding pressure against a window sash when installed comprising a window sash, a jarnb, a guide rail face portion for abutting the edge of said window sash in sliding relationship, recessed screw-head receiving cups having center apertures set in said rail with their rear portions extending behind said rail toward said jamb to form bosses on the rear jamb side of said rail, truncated conical springs having relatively large and small ends disposed relative to said guide rail with their small ends surrounding said bosses in gripping relationship and their large ends adapted to abut said jamb so as to urge said guide rail outwardly, and screws disposed in said cup apertures through the core of said springs and embedded in said jamb so as to locate said guide rail and to locate said springs in fixed length and side dimensions; said guide rail being movable against said springs in depth dimension by compressing said springs so that said bosses and the smaller ends of said springs ride down inside the larger end of said springs.

3. A window sash guide rail for pressing against a Window sash comprising a face portion for abutting and channelling the edge of a sash in sliding relationship, at least one screw receiving cup recessed in said guide rail face portion so as to extend therebehind with a boss-like conformation, and a truncated conical spring having a large end and a small end adapted so that the small end fits over and grips the boss-like rear of said cup so as to be capable of receiving a screw in said cup running down the center core of the spring sothat said cup-boss and smaller end of said spring travels down inside the larger end of said spring when said spring is compressed.

References Cited in the file of this patent UNITED STATES PATENTS 829,748 Wright Aug. 28, 1906 2,203,427 Dautrick June 4, 1940 2,264,020 Dautrick et a1 Nov. 25, 1941 

